Image processing
3.2 Code verification
SIMATIC MV500
44 Operating Instructions, 03/2021, C79000-G8976-C494-05
Example
With this function, you can record a one-dimensional code and a data matrix code on
packaging with one image acquisition and output the read result of both codes in the same
cycle.
Figure 3-1 Example: Reading multiple codes in the image
3.2 Code verification
3.2.1 Overview
Verification
The readability of a 1D or 2D barcode will never be better than at the time the barcode leaves
the marking device. With the help of code verification, it is possible to make sure during the
marking process that the markings are correctly applied and that readability is good enough
that it will remain ensured throughout the entire life cycle. Verification makes sure that
corrections can be made to the marking procedure before it leaves a range of tolerance and
produces unusable or incomplete markings.
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